Cask-hooping machine.



F. STROHL CASK HOOPING MACHINE.

APPLIICATIQN FILED MAY 21. 1915. 1,155,767. atenoed Oct. 5, 1915.

2 SHEETS-SHEET I.

Fig.1.

m! Mill/Z6 Il /1 all 35 I- CULUMBIA PLANOGRAPH CUQWASHINGTON, D. c

F. STBOHL.

CASK HOOPING MACHINE.

APPLHIATION man MAY21,1915.

1,155,767. Patented Oct. 5, 1915.

2 SHEETS-SHEET 2.

- Invenianham M r MLUIIIA PLANOGRAPH COuWASHINflTDN. n. t.

,. To all whom it may concern:

; rariar FRIEDRICH STROI-IL, or RUMPENHEIM-ON-TEE-IVIAIN, GERMANY, ASSIGNOR '10 0. A.

NEUBECKER, F GFFENBACI-I-ON-THE-MAIN, GERMANY.

Be it known that I, FRIEDRICH S'rRoHL, a subject of the Emperor of Germany, and resident of Rumpenheim-on-the-Main,1in the Grand Duchy of Hesse, vented a new and useful Improvement in CaslsHooping Machines, of which the following is a specification. V V

In machines heretofore used for hooping casks it was necessary for the workman who operated the machine, to regulate the pressure on the hoops according to the size of the cask being hooped. This was a great disadvantage because if excessive pressure Was used, the cask would be squeezed out of shape and sometimes the hoops would be broken. Also in mechanically driven machines of this character, a predetermined regulation of the pressure on the hoops was not possible and accordingly the successful operation of the machine depended entirely upon the workmans ability to accurately regulate the pressure to the various sizes of casks to be hooped. In hydraulic driven machines for hooping casks, the pressure on the hoop is accurately shown by the ma greater pressure 'isused on the larger casks nometer. But in machines of this character 1s necessary for the workman to see that and that greater pressure is applied to the end. hoops than thexmiddle hoops and since I tention the machineoperates rapidly it requires a very high degree of speed and careful aton the part of theman operating it. In order to make this operators work a little less diff cult, a smaller hydraulic pipe was used so that the pressure would rise slowly, but it was foundthat this diminished the efiiciency of the machine. The efficiency of all these known machines is therefore dependent upon the workman, that is, upon his ability, his knowledge, and the interest which he has in his Work and in his machine. Naturally these are very'uncertain factors, and it is the purpose of this invention to avoid this uncertainty.

In the accompanying drawings, Figure 1.

Specification of Letters Patent.

Germany, have in- 1 cAsK-Hoorme MACHINE.

' Patented'Oct. 5, 19'? 5.

section, of a mechanically driven cask hoop- 'ing machine.

In the machine shown in Figs. 1, 2 and 3,

the regulation of the machine is eifected by a D slide valve 1. In the position shown in Flg. l, the pressure fluid passes from the pipe 2, through the passage 3 and the pipes 1 and 5 into the cylinders 6 and 7, under the pistons 8 and 9. The pressure plates 10 and 11, with the pressure claws 12 and 13. approach each other at the slow speed of the pressure fluid as long as the claws push against the hoop. p

The auxiliary valve 15 is connected with the pipe 5, through the pipe 14c and with the cylinder 1 through the pipes 16. In the cylinder 17 is located a piston 18 Whose upper end 19 contacts with the slide valve rod 20. The auxiliary valve 15 is operated through the medium of a lever 21, the weight 22 and the rod 23 on which all the weight plates 24: to 29 hang, when the pressure plate 11 is in its lowest position, that is, when the pressure plates 10 and 11 are the greatest distance from each other. On the end pressure plate 11, two rods 30, 31, are attached, on the lower ends of which rings 32, to 37 are screwed with lock nuts. In the plates 24 29, bores or holes are arranged so that the diameter of the bore of each plate is greater than that of the one above it and smaller than that of the one below it, as shown in Figs. 2 and 3. The position of the rings 32-37 is so arranged that when the'pressure plates 10 and 11 have approached one another as near as possible, all the weight plates 2429 are removed from the rod 23, as shown in Fig. 2. When the hoops of the largest casks are pressed,as shown in the drawings, the fluid pressure rises to its maximum height, and only at this pressure is the auxiliary valve 15 opened. When this takes place, the pressure fluid enters the pipe 16, lifts the piston 18 and the rod 20, and shifts the slide valve 1 to such a position that it shuts off the passage 3 from the fluid inlet pipe 2. When this has taken place, the pistons 8 and 9 auto- 'matically stop and further pressure on the hoop ceases. If the middle hoops of the same cask, are now to be pressed, the plates 10 and 11 must approach one another and in doing so the rod 23 is relieved from the weight plates E k-29. In this position the valve is lifted by a .less fluid pressure which passes through the pipe 16 and. cylinder 17, and shifts the slide valve 1, thus stopping the machine.

The piston 18 is acted upon by a spiral spring 89, which is strong enough to overcome the friction of the stuffing-box of the piston and keeps the piston from rising during the time when the passage 3 is opened to the waste pipe .2. The waste fluid then passes from the pipe 16, through the port 40 and the check valve 41. The cross section of the piston 18 is such that the minimum pressure of the fluid is suliicient to raise it and thus operate the slide valve 1.

In the form shown in Fig. 1, the lever 21 of the valve 15 is operated intermittently, but this can be avoided by using the modification shown in Fig. 4.

In Fig. at, the chain as is fastened to the pressure plate 11 and to the end of the lever 21, and hangs as a loop when the plate 11 is in its lowest position. When the plate 11 rises, the loop of the chain becomes smaller, thus gradually relieving the lever 21 of its weight in amanner which is clearly apparent from the drawings.

In the modification shown in Fig. 5, a vessel 4:53, which is filled witha suitable fluid,

is attached to the end of the lever S21, and communicates with another vessel 17, which hangs from a lever connected with the plate 11. lVith this arrangement, when the plate 11. rises, the vessel 17 descends by reason of its lever arrangement so that according to its position, the fluid inthe vessel 4&5 flows into the vessel 17, thus gradually relieving the lever 21 of its weight. Such a regulating device can also be used in a mechanically driven casl hooping machine in which one 7 plate only is placed on ahyd ra'ulic piston, as

shown in Fig. 6. Herethe piston as of the pressure plate l9 lies in a hydraulic cylinder 50, which is connected with the cylinder 51. The piston 52 is controlled by the position of the pressure plate 53, in such a manner that with the increasing size of the casks,

more weights 56 are laid on thepiston 52 by means of the ropes '54, 55. As soon as the fluid pressure determined by the size of the "tion, I havesigned my name caslnthat is,by the position of-theihoop,

is reached, the piston 52 rises and shifts by means of the bell-crank lever 57, the axis 58, with its friction wheels 59,} so that further action on the hoop ceases at once.

From the preceding'd'escription it is evident that independently of the workman, the pressure on the hoops is completely and automatically regulated according to the size of the cashs. Furthermore, the end hoops are pressed with greater pressure than the middle hoops. It will be seen, therefore, that it will not be necessary to have. an operator attending the machine because the movement of the regulating device occurs automatically from start to finish What It claim is I 3 1. In a cast hooping machine, the combination of a pressure regulating devicewith an auxiliary valve which operates to close the regulating device at" the desired pressure on the hoops. V

2. In a cask hooping machine having pressure plates, a pressure regulating device having a piston,an auxiliary valve and weight plates for regulating the operation of the valve and piston accord ng to the d stance ries of weight plates suspended fromthe under pressure plate when the pressure plate's'are nearest eachother and successively V laid on a rod' connected with the auxiliary valve while the pressui'e'plates are return-' ing to their initial position.

4:. In a cask hoopingma chine, the combination of a pressure regulating device with an auxiliary valve'which operates to close the regulating device at the de'siredpressure on the hoops, said operation on the regulating device being effected by the waste water from the auxiliary valve.

That I claim the foregoing as my invenr in presence of two witnesses, this'12th: day

' FRIEDRICH STROHL; Witnesses: l

JEAN GRU'ND, CARL Giann of April 1915." 5

copies of this patent may be obtained for five cenw each, by addressing" theiijeommissioner' of lIaten'Q- A Washington, 110. l I I p 

